package com.sn.system.common.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

/**
 *
 * 获取spring容器，以访问容器中定义的其他bean
 * @author liabj
 */
public class SpringContextUtil implements ApplicationContextAware {

// Spring应用上下文环境
private static ApplicationContext applicationContext;

/**
 * 实现ApplicationContextAware接口的回调方法，设置上下文环境
 *
 * @param applicationContext
 */
public void setApplicationContext(ApplicationContext applicationContext) {
    SpringContextUtil.applicationContext = applicationContext;
}

/**
 * @return ApplicationContext
 */
public static ApplicationContext getApplicationContext() {
    return applicationContext;
}

/**
 * 获取对象
 * 这里重写了bean方法，起主要作用
 * @param name
 * @return Object 一个以所给名字注册的bean的实例
 * @throws BeansException
 */
public static Object getBean(String name) throws BeansException {
    return applicationContext.getBean(name);
}

}
